NCP5387MNR2G ON Semiconductor, NCP5387MNR2G Datasheet
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NCP5387MNR2G
Specifications of NCP5387MNR2G
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NCP5387MNR2G Summary of contents
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... G/G = Pb−Free Package *Pin 41 is the thermal pad on the bottom of the device. ORDERING INFORMATION Device Package NCP5387MNR2G* QFN−40 (Pb−Free) *Temperature Range: 0°C to 85°C †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D ...
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NCP5387 PIN CONNECTIONS VID0 3 VID1 4 VID2 5 VID3 NCP5387 6 VID4 7 VID5 8 VID6 9 VID7 10 DACMODE (Top View) http://onsemi.com DRVON 28 CS4 27 CS4N 26 CS3 25 CS3N ...
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V VTT 680 W PULLUPS RVCC 36 2 VID0 VID0 3 VID1 VID1 4 VID2 VID2 5 VID3 VID3 6 VID4 VID4 7 VID5 VID5 8 VID6 VID6 9 VID7 VID7 10 VR10/11 VID_SEL 1 EN VR_EN 37 VR_RDY ...
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VTT 680 W PULLUPS RVCC 36 2 VID0 VID0 3 VID1 VID1 4 VID2 VID2 5 VID3 VID3 6 VID4 VID4 7 VID5 VID5 8 VID6 VID6 9 VID7 VID7 10 VID_SEL VR10/11 1 VR_EN EN 37 VR_RDY VR_RDY 40 ...
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V VTT 680 W PULLUPS RVCC 36 2 VID0 VID0 3 VID1 VID1 4 VID2 VID2 5 VID3 VID3 6 VID4 VID4 7 VID5 VID5 8 VID6 VID6 9 VID7 VID7 10 VID_SEL VR10/ VR_EN 37 VR_RDY ...
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DACMODE VID0 VID1 VID2 VID3 VR10/11/AMD VID4 DAC VID5 VID6 VID7 SS DAC − VS− + VS+ Diff Amp DIFFOUT 1 VFB − Error Amp COMP Droop Amplifier VDRP + − 1 CS1 − CS1N Gain ...
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PIN DESCRIPTIONS Pin No. Symbol 1 EN Pull this pin high to enable controller. Pull this pin low to disable controller. Either an open−collector output (with a pull−up resistor logic gate (CMOS or totem−pole output) may be used ...
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MAXIMUM RATINGS Electrical Information Pin Symbol COMP VDRP VS+ VS− DIFFOUT VR_RDY, VR_HOT, VR_FAN VCC ROSC DACMODE REF All Other Pins *All signals reference to GND unless otherwise noted. Thermal Information Thermal Characteristic, QFN Package (Note 1) Operating ...
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ELECTRICAL CHARACTERISTICS (Unless otherwise stated: 0°C < T < 85°C; 4.75 V < Parameter Error Amplifier Input Bias Current Input Offset Voltage (Note 3) Open Loop DC Gain (Note 3) Open Loop Unity Gain Bandwidth (Note 3) Open ...
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ELECTRICAL CHARACTERISTICS (Unless otherwise stated: 0°C < T < 85°C; 4.75 V < Parameter Internal Offset Voltage VDRP pin offset voltage AND Error Amp input voltage VDRP Adaptive Voltage−Positioning Amplifier Current Sense Input to VDRP Gain Current Sense ...
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ELECTRICAL CHARACTERISTICS (Unless otherwise stated: 0°C < T < 85°C; 4.75 V < Parameter Modulators (PWM Comparators) Minimum Pulse Width (Note 3) Propagation Delay (Note 3) Magnitude of the PWM Ramp 0% Duty Cycle 100% Duty Cycle PWM ...
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ELECTRICAL CHARACTERISTICS (Unless otherwise stated: 0°C < T < 85°C; 4.75 V < Parameter Soft−Start Soft−Start Pin Source Current Soft−Start Ramp Time Soft−Start Pin Discharge Voltage VR11 Dwell Time at V BOOT DACMODE Input Input Range for AMD ...
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ELECTRICAL CHARACTERISTICS (Unless otherwise stated: 0°C < T < 85°C; 4.75 V < Parameter Voltage Reference (V ) REF V Output Voltage REF Input Supply Current V Operating Current CC Temperature Sensing VR_FAN Upper Voltage Threshold VR_FAN Lower ...
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ELECTRICAL CHARACTERISTICS (Unless otherwise stated: 0°C < T < 85°C; 4.75 V < Parameter VRM11 DAC System Voltage Accuracy 1.0 V < DAC < 1.6 V 0.8 V < DAC < 1.0 V 0.5 V < DAC < ...
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Table 1: VRM11 VID Codes VID7 VID6 VID5 800 mV 400 mV 200 mV 100 ...
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Table 1: VRM11 VID Codes VID7 VID6 VID5 800 mV 400 mV 200 mV 100 ...
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Table 1: VRM11 VID Codes VID7 VID6 VID5 800 mV 400 mV 200 mV 100 ...
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Table 1: VRM11 VID Codes VID7 VID6 VID5 800 mV 400 mV 200 mV 100 NCP5387 VID4 VID3 VID2 VID1 50 ...
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ELECTRICAL CHARACTERISTICS (Unless otherwise stated: 0°C < T < 85°C; 4.75 V < Parameter VRM10 DAC System Voltage Accuracy 1.0 V < DAC < 1.6 V 0.83125 V < DAC < 1 Load Offset Voltage from ...
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Table 2: VRM10 VID Codes VID4 VID3 VID2 400 mV 200 mV 100 ...
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Table 2: VRM10 VID Codes VID4 VID3 VID2 400 mV 200 mV 100 ...
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ELECTRICAL CHARACTERISTICS (Unless otherwise stated: 0°C < T < 85°C; 4.75 V < Parameter AMD DAC System Voltage Accuracy 1.0 V < DAC < 1.55 V 0.8 V < DAC < 1 Load Offset Voltage from ...
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T, TEMPERATURE (°C) Figure 5. Voltage Reference (VREF) vs. Temperature 2.017 2.016 2.015 2.014 2.013 2.012 TEMPERATURE (°C) Figure 7. ROSC Voltage ...
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Start 4.25 4.20 4.15 4.10 Stop 4. TEMPERATURE (°C) Figure 11. UVLO Threshold vs. Temperature 0.90 0.88 Start 0.86 0.84 0.82 0.80 0.78 0.76 Stop 0.74 0. ...
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CS2 5.790 CS3 5.785 5.780 CS4 CS1 5.775 5.770 5.765 TEMPERATURE (°C) Figure 17. VDRP Gain vs. Temperature 0.3 0.2 0.1 0.0 4ph 50k −0.1 4ph 25k −0.2 −0 ...
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T, TEMPERATURE (°C) Figure 23. Phase Detect Time vs. Temperature NCP5387 TYPICAL CHARACTERISTICS 235 234 233 232 231 230 229 Figure 24. ...
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FUNCTIONAL DESCRIPTION General The NCP5387 dual edge modulated multiphase PWM controller is specifically designed with the necessary features for a high current VR10, VR11 or AMD CPU power system. The IC consists of the following blocks: Precision Programmable DAC, Differential ...
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PWM Comparators with Hysteresis Four PWM comparators receive the error amplifier output signal at their noninverting input. Each comparator receives one of the triangle waves offset by 1 it’s inverting input. The output of the comparator generates the ...
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NCP5387 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0 Figure 26. Typical AMD Soft−Start Sequence to Vcore = 1.3 V 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0 ...
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The NCP5387 is a high performance multiphase controller optimized to meet the Intel VR11 Specifications. The demo board for the NCP5387 is available by request configured as a four phase solution with decoupling designed to provide a 1.0 ...
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Dynamic VID Testing The VTT tool provides for VID stepping based on the Intel Requirements. Select the Dynamic VID option. Before enabling the test set the lowest VID to 0 greater and set the highest VID to a ...
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Programming the Current Limit and the Oscillator Frequency The demo board is set for an operating frequency of approximately 330 kHz. The ROSC pin provides a 2.0 V reference voltage which is divided down with a resistor divider and fed ...
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Inductor Current Sense Compensation The NCP5387 uses the inductor current sensing method. This method uses an RC filter to cancel out the inductance of the inductor and recover the voltage that is the result of Rsense(T) + Figure 36. The ...
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A complex switching model is available by request which includes a more detailed board parasitic for this demo board. Compensation and Output Filter Design The values shown on the demo board are a good place to start for any similar ...
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... Figure 39. Uncompensated and Compensated Output Impedance vs. Temperature ON Semiconductor provides an excel spreadsheet to help with the selection of the NTC. The actual selection of the NTC will be effected by the location of the output inductor with respect to the NTC and airflow, and should be verified with an actual system thermal solution ...
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... DAC voltage even during a dynamic change in the VID setting during operation. Gate Driver and MOSFET Selection ON Semiconductor provides the NCP3418B as a companion gate driver IC. The NCP3418B driver is optimized to work with a range of MOSFETs commonly used in CPU applications. The NCP3418B provides special functionality and is required for the high performance dynamic VID operation of the part ...
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... Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81− ...